Explanation
This is a memory aid to help you remember Robert Whittaker's five-kingdom system. Take the first letter of each word ("Bacteria" is a descriptive aside, not a separate word to count): Annihilate Plants and Fungi that Make [Bacteria] Poisonous → A-P-F-M-P, standing for Animalia, Plantae, Fungi, Monera (Bacteria), Protista.